According to The Australian, two international studies have connected sleep disturbance in wind-farm workers to the noise and sound from wind turbines.

A study of 45 people in three groups by Tehran University ­researchers said: “Despite all the good benefits of wind turbines … this technology has health risks for all those exposed to its sound.”

The study paper said it was the first to examine the effect of wind turbine noise on sleep disorders in workers who are closer to turbines and exposed to higher levels of noise. The Manjil wind farm was examined because it had more staff and turbines than other farms in Iran.

“The results showed that there was a positive and significant relationship between age, workers’ experience, equivalent sound level, and the level of sleep disorder,” the paper said.

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